An explanation of why "subordinate leadership" is particularly useful in a public sector organization. (In addition to some of the points identified by Kenneth Ashworth, you should consider some aspects from your other PADM courses in terms of the factors that distinguish how public organizations function.)

http://unpan1.un.org/intradoc/groups/public/documents/aspa/unpan001786.pdf

Kouzes, J. M., & Posner, B. Z. (2017).The Leadership Challenge: How To Make Extraordinary Things Happen in organizations (6th ed.). John Wiley & Sons.

Spreitzer, G. M., & Quinn, R. E. (2001).A company of leaders: Five disciplines for unleashing the power in your workforce. John Wiley and Sons.